Grind wheat like a pioneer: Learn about grinding wheat and other grains, as pioneer breadmakers did, in a class led by a park ranger at 10 a.m. and again at noon today at Lettuce Lake Park, 6920 E Fletcher Ave. (Meet inside the visitor center.) The cost is $5 per child and one adult; $2 per vehicle up to eight people per car park entry fee. Participation is open to all ages. Large groups, such as homeschools, Scouts and birthday parties, should preregister. To get more information or to register, email Diana Kyle at kyled@hillsboroughcounty.org with time and names of those attending, or contact Lettuce Lake Park at (813) 987-6204.

Recipe swap: If you love to cook and are looking for some new recipes to add to your menu, head over to the C. Blythe Andrews Jr. Public Library, 2607 E Dr. Martin Luther King Jr. Blvd., at 6 p.m. Tuesday. Share your favorite recipes and anecdotes with other home cooks. Visit hcplc.org for more information.

Free child care provider training: Hillsborough County Extension Service and the University of Florida are conducting free training for licensed child care providers in Hillsborough County. Attend Thursday's workshop, "Avoid Behavior Problems: Teach Self-Control," from 6:45 to 8:45 p.m. and learn classroom ideas for teaching preschool children about self-control. Participants can receive continuing education units from the University of Florida. Training takes place at the Hillsborough County Extension Office, 5339 County Road 579, Seffner. Call (813) 744-5519, ext. 54140, for more information.